Benzene phosphonous acid compounds, their production and use as

Details Benzene phosphonous acid compounds, their production and use as Benzene phosphonous acid compounds, their production and use as

1976-03-19

1978-02-21

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

106177, 260 457PS, 260 4595G, 260932, 260962, C08K 550, C08K 553

Patent

active

040751635

ABSTRACT:
The purpose of the invention are new benzene phosphonous acid compounds in which two to four benzene nuclei are bound together and which contain one to three phosphorus atoms. The new compounds are free acids, their salts with inorganic cations, their esters, thioesters or amides. The invention concerns also the manufacture of these benzene phosphonous acid compounds and their use for the stabilization of organic materials.

REFERENCES:
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patent: 3676393 (1972-07-01), Piirma
patent: 3978020 (1976-08-01), Liberti
Gefter, "Organophosphorus Monomers and Polymers", 1962, pp. XII and XIII.

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